<!--
 * @Author: 810505339
 * @Date: 2024-09-25 11:30:46
 * @LastEditors: 810505339
 * @LastEditTime: 2025-01-09 11:37:45
 * @FilePath: \wot-design-uni\src\uni_modules\wot-design-uni\components\wd-img\wd-img.vue
 * 记得注释
-->
<template>
    <view :class="rootClass" @click="handleClick" :style="rootStyle">
        <image
            :class="`wd-img__image ${customImage}`"
            :style="status !== 'success' ? 'width: 0;height: 0;' : ''"
            :src="src"
            :mode="mode"
            :show-menu-by-longpress="showMenuByLongpress"
            :lazy-load="lazyLoad"
            @load="handleLoad"
            @error="handleError"
        />
        <slot v-if="status === 'loading'" name="loading"></slot>
        <slot v-if="status === 'error'" name="error"></slot>
    </view>
</template>
<script lang="ts">
export default {
    name: 'wd-img',
    options: {
        virtualHost: true,
        addGlobalClass: true,
        styleIsolation: 'shared',
    },
}
</script>

<script lang="ts" setup>
import { computed, ref } from 'vue'
import { addUnit, isDef, objToStyle } from '../common/util'
import { imgProps } from './types'

const props = defineProps(imgProps)
const emit = defineEmits<{
    (e: 'error', event: Event): void
    (e: 'click', event: MouseEvent): void
    (e: 'load', event: Event): void
}>()

const rootStyle = computed(() => {
    const style: Record<string, string | number> = {}
    if (isDef(props.height)) {
        style['height'] = addUnit(props.height)
    }
    if (isDef(props.width)) {
        style['width'] = addUnit(props.width)
    }
    if (isDef(props.radius)) {
        style['border-radius'] = addUnit(props.radius)
        style['overflow'] = 'hidden'
    }
    return `${objToStyle(style)};${props.customStyle}`
})

const rootClass = computed(() => {
    return `wd-img  ${props.round ? 'is-round' : ''} ${props.customClass}`
})

const status = ref<'loading' | 'error' | 'success'>('loading')

function handleError(event: any) {
    status.value = 'error'
    emit('error', event)
}
function handleClick(event: MouseEvent) {
    if (props.enablePreview && props.src && status.value == 'success') {
        uni.previewImage({
            urls: [props.previewSrc || props.src],
        })
    }
    emit('click', event)
}
function handleLoad(event: any) {
    status.value = 'success'
    emit('load', event)
}
</script>

<style lang="scss" scoped>
@import './index.scss';
</style>
